Phylum [Vertebrata] (Lamarck, 1801)
Count: -
   Class Reptilia Linnaeus, 1758 - reptiles
  Count: 4o6f1g; †20o115f227g
     Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
    Count: -
       Order †Eosuchia Broom, 1914 see Clade Eosuchia Broom 1914 [Laurin 1991]
      Count: [*] †1f2g
         1 Family †Tangasauridae Haughton, 1924
        Count: [*] †2g